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sched-deps.c (sched_analyze_insn): Make sure to add insn to reg_last->sets after flushing the dependency lists to...

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* sched-deps.c (sched_analyze_insn): Make sure to add insn
        to reg_last->sets after flushing the dependency lists to guarantee
        that subsequent clobbers will be dependent on it.

From-SVN: r56929
This commit is contained in:
Glen Nakamura 2002-09-08 03:42:46 +00:00 • committed by Richard Henderson
parent ad9df12ff5
commit b96a3fa397
2 changed files with 7 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2002-09-07 Glen Nakamura <glen@imodulo.com>
* sched-deps.c (sched_analyze_insn): Make sure to add insn
to reg_last->sets after flushing the dependency lists to guarantee
that subsequent clobbers will be dependent on it.
2002-09-07 Igor Shevlyakov <igor@microunity.com>
* combine.c (simplify_shift_const): Calculate rotate count

3
gcc/sched-deps.c
View file

@ -1117,8 +1117,6 @@ sched_analyze_insn (deps, x, insn, loop_notes)
EXECUTE_IF_SET_IN_REG_SET (reg_pending_clobbers, 0, i,
{
struct deps_reg *reg_last = &deps->reg_last[i];
add_dependence_list (insn, reg_last->sets, REG_DEP_OUTPUT);
add_dependence_list (insn, reg_last->uses, REG_DEP_ANTI);
if (reg_last->uses_length > MAX_PENDING_LIST_LENGTH
|| reg_last->clobbers_length > MAX_PENDING_LIST_LENGTH)
{
@ -1128,6 +1126,7 @@ sched_analyze_insn (deps, x, insn, loop_notes)
REG_DEP_ANTI);
add_dependence_list_and_free (insn, &reg_last->clobbers,
REG_DEP_OUTPUT);
reg_last->sets = alloc_INSN_LIST (insn, reg_last->sets);
reg_last->clobbers_length = 0;
reg_last->uses_length = 0;
}